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drm/amdgpu: add optional ring to *_hdp callbacks

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This adds an optional ring to the invalidate_hdp and flush_hdp
callbacks. If the ring isn't specified or the emit_wreg function not
available the HDP operation will be done with the CPU otherwise by
writing on the ring.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2018-01-19 14:17:40 +01:00
committed by Alex Deucher
parent 3c9d1fde7f
commit 698825653f
10 changed files with 81 additions and 36 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
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@@ -247,7 +247,7 @@ int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset,
}
}
mb();
amdgpu_asic_flush_hdp(adev);
amdgpu_asic_flush_hdp(adev, NULL);
amdgpu_gmc_flush_gpu_tlb(adev, 0);
return 0;
}
@@ -330,7 +330,7 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset,
return r;
mb();
amdgpu_asic_flush_hdp(adev);
amdgpu_asic_flush_hdp(adev, NULL);
amdgpu_gmc_flush_gpu_tlb(adev, 0);
return 0;
}